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Finding the Fourth Proportional to 448,484.95, 619,059.21 and 267,253.73

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Solution

The fourth proportional to 448,484.95, 619,059.21 and 267,253.73 is: 368,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,484.95 : 619,059.21 = 267,253.73 : x
  2. Step 2: Convert to fraction form
    448,484.95/619,059.21 = 267,253.73/x
  3. Step 3: Cross multiply
    448,484.95x = 619,059.21 × 267,253.73
  4. Step 4: Simplify right side
    448,484.95x = 165,445,881,187.33
  5. Step 5: Solve for x
    x = 165,445,881,187.33/448,484.95
  6. Step 6: Final answer
    x = 368,899.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.